Python Data Types

Dictionary

Dictionaries are used to store data values in "key:value" pairs. A dictionary is a collection which is unordered, changeable, and does not allow duplicates. Dictionaries are written with curly brackets, and have keys and values.

List

Lists are used to store multiple items in a single variable. List items are ordered, changeable, and allow duplicate values. Lists are written with square brackets.

Set

Sets are used to store multiple items in a single variable. A set is a collection of items which is both unordered and unindexed. Sets are written with curly braces.

Tuple

Tuples are used to store multiple items in a single variable. Tuple items are ordered, unchangeable, and allow duplicate values. Tuples are written with curly brackets.